Nutrients needed by plants in large amounts are known as ______________________
Fill in the blank(s) with correct word
macronutrients
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American's dependence on fossil fuels has decreased dramatically in recent years
a. True b. False Indicate whether the statement is true or false
The prints that are used for the manufacture of individual parts are called:
a. detail prints b. assembly prints c. working prints d. manufacturing prints
The retail price of a voltage regulator is $18.49. What is the total price, including 5% sales tax?
A) $19.41 B) $18.54 C) $19.54 D) None of these
Answer the following statement(s) true (T) or false (F)
1. As design engineers, whether you are designing a machine part, a toy, a frame for a car, or a structure, the selection of material is an important design decision. 2. Most of the mass of the earth comes from the mantle. The mantle is made up of molten rock that lies underneath the crust and makes up nearly 84% of the Earth’s volume. 3. Material properties depend on many factors, including how the material was processed, its age, its exact chemical composition, and any nonhomogeneity or defect within the material. 4. The value of electrical resistivity is a measure of the resistance of material to the flow of electricity. 5. Modulus of elasticity is a measure of how easily a material can be twisted or sheared.